To which class of elements does copper (cu) belong: metal, metalloid, or nonmetal? identify three other elements in this class.
1 answer:
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Which has the highest electronegativity value?
A
hydrogen
B
calcium
C
helium
D
fluorine d because fluorine has a higher group number
A
hydrogen
B
calcium
C
helium
D
fluorine d because fluorine has a higher group number